Questions tagged [bsdf]
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7 questions
2 votes
0 answers
58 views
How to ensure energy conservation of a coat layer on top of an arbitrary BSDF?
Recent approximate techniques for energy conservation of conductors / dielectrics rely on the precomputation of the directional albedo for the conductor / dielectric BSDF. [Conty & Kulla 2017], [...
- 301
1 vote
0 answers
56 views
How to visualize the outgoing directions sampled from BSDF?
I'm trying to find a way to visualize the outgoing directions sampled from BSDF. More specifically, for a given incident direction, I can sample the outgoing directions, using 'BSDF sample', and I ...
- 69
1 vote
0 answers
116 views
Why my bsdf can not pass Chi2test?
I implemented a MicrofacetTransmission in nori. But it can not pass all Chi2test when alpha is large(>= 0.4 or ?),part of chi2test is passed.And I can not found the problem.Can someone help me? ...
- 31
1 vote
1 answer
365 views
How to calculate the PDF of a multi-lobe BSDF
In PBRT, a BSDF is represented as an array of BxDF lobes. Each lobe sets a bitflag representing what kind of lobe it is. (Specular, Diffuse, Reflection, Transmission, etc.) I'm investigating how PBRT ...
- 3,872